13 62 531 Replacing coolant temperature sensor (N55)

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WARNING: Risk of scalding!
Only perform this repair work on an engine that has cooled down.

Recycling

Catch and dispose of escaping coolant.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks:

Read out fault code memory of the DME control unit.
Switch off ignition
Remove ACOUSTIC COVER

NOTE: Coolant temperature sensor is mounted on cylinder head at front.

Unlock connector (1) and remove.

Unfasten coolant temperature sensor (2).

Installation note:

Tightening torque 13 62 1AZ .

If necessary, top up coolant.

Check cooling system for leaks.

Fig 1: Identifying Coolant Temperature Sensor And Connector

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NOTE: Check stored fault messages.
Clear diagnostic fault entries from fault memory.